Patent AT-E400915-T1: [Translated] WET-RUNNING ELECTRIC DRIVE MOTOR FOR PARTICULARLY A HEATING CIRCULATION PUMP

A motor's can (1) is fitted with a permanent magnet rotor (9) and a displacing device (13) to fill up part of a portion of space in the motor's can, around which the permanent magnet rotor is smaller than a short-circuit rotor. The displacing device fits before/behind the permanent magnet rotor. A first packed device fits in front the permanent magnet rotor. A ring device fits behind the permanent magnet rotor. The displacing device fits rigidly on a drive shaft (8).